Lead Strategist - Behavioural Science

Location: London (Hybrid)

Are you a senior behavioural science practitioner ready to shape high-impact behaviour change programmes for major organisations?

A leading UK behavioural science consultancy is looking for a Lead Behavioural Architect — a role that blends behavioural strategy, team leadership and consulting excellence. You’ll help solve complex customer and employee challenges using behavioural insights, experimentation and behavioural design.

You’ll lead a team of behavioural scientists, guide the behavioural strategy for major client programmes, and contribute to capability building and proposition development as the consultancy scales into its next phase of growth.

• Lead the behavioural strategy for large, complex client programmes
• Translate business challenges into robust behavioural problem definitions
• Oversee behavioural design, architecture and experimental work
• Manage, mentor and develop a team of behavioural scientists
• Support senior client stakeholders and help build internal behavioural capability
• Ensure projects deliver measurable impact across customer and employee journeys
• Contribute to thought leadership and the development of new behavioural propositions
• Support commercial growth through farming and pitch support

• 5–8 years’ experience applying behavioural science in consultancy or in-house
• Strong understanding of behavioural frameworks, psychology and decision-making
• Experience leading behavioural teams or cross-functional delivery teams
• Experience architecting behavioural programmes with measurable outcomes
• Confident communicating behavioural insights to senior leaders

• Leadership responsibility within a high-performing behavioural science consultancy
• Opportunity to shape behavioural strategy and team capability
• Clear progression path into senior consulting leadership
• Competitive salary, performance bonus and benefits
• A collaborative, ambitious and intellectually curious environment

If you’re passionate about applying behavioural science at scale and leading meaningful change, we’d love to hear from you.